I&O manual
34
Attached picture Networking Communication Schematic of Main Unit and Auxiliary Unit (I)
A B
C
N
The l e n g t h o f w i re
sho u l d b e s h o r ter
tha n 5 0 0 m
1 0 0Ω
Blac k
Yell ow
Gray
Notes
The wiring diagram of auxiliary heater and
pump is just for reference ,please follow the
instructions of corresponding auxiliary
heater products.
Please choose such accessory as power
wire , switch of auxiliary heater according to
the actual parameter of products and national
12 0Ω
CN21
CN21
CN21
Contactor
Contactor
Power Transformer
AC220-240V/AC 10 V
Model:MC-SU30-RN1L
CN45
CN46
CN46
CN45
CN46
CN45CN44
CN19 CN2
CN19 CN2
CN19 CN2
CN60
CN60
CN60
CN30
CN30
CN30